1954 12  -1.10  -7.79  -4.44 
1955 01  -4.12 -10.60  -7.36 
1955 02  -4.71 -11.45  -8.08 
1955 03  -2.50  -9.93  -6.21 
1955 04   1.56  -5.84  -2.14 
1955 05   9.70   0.83   5.26 
1955 06  17.53   6.65  12.09 
1955 07  20.14  10.62  15.37 
1955 08  24.27  15.17  19.72 
1955 09  16.73   7.08  11.90 
1955 10  10.55   2.04   6.29 
1955 11  -1.24  -8.12  -4.67 
1955 12  -1.59  -7.96  -4.77 
1956 01  -2.19  -9.07  -5.63 
1956 02  -4.34 -11.41  -7.87 
1956 03   0.74  -6.57  -2.91 
1956 04   7.02  -1.24   2.89 
1956 05  12.00   4.21   8.10 
1956 06  15.60   6.08  10.84 
1956 07  22.79  13.39  18.09 
1956 08  20.95  11.29  16.12 
1956 09  18.42   8.56  13.49 
1956 10   6.99   -.28   3.35 
1956 11   3.78  -3.90  -0.06 
1957 01  -6.90 -12.55  -9.72 
1957 02  -0.06  -5.52  -2.79 
1957 03   0.91  -6.29  -2.69 
1957 04   4.67  -2.68   0.99 
1957 05  10.26   3.08   6.67 
1957 06  16.90   6.72  11.81 
1957 07  22.55  12.50  17.52 
1957 08  21.66  12.12  16.89 
1957 09  18.82   8.97  13.89 
1957 10   6.22   0.45   3.33 
1957 11   0.50  -6.65  -3.07 
1957 12   -.27  -6.85  -3.56 
1958 01 -99.99  -6.70 -99.99 
1958 02   0.20  -4.90  -2.35 
1958 03  -1.42  -7.32  -4.37 
1958 04   2.79  -3.92   -.56 
1958 05  15.52   7.27  11.39 
1958 06  15.81   7.53  11.67 
1958 07  21.39  11.79  16.59 
1958 08  23.69  14.22  18.95 
1958 09  16.02   5.64  10.83 
1958 10  12.62   4.14   8.38 
1958 11   2.08  -4.48  -1.20 
1958 12   1.68  -3.95  -1.13 
1959 01  -2.29  -7.82  -5.05 
1959 02  -3.07  -7.94  -5.50 
1959 03   0.07  -7.11  -3.52 
1959 04   7.43   -.82   3.30 
1959 05   8.37   -.60   3.88 
1959 06  18.66   9.30  13.98 
1959 07  24.67  14.41  19.54 
1959 08  20.71  11.56  16.13 
1959 09  11.77   4.26   8.01 
1959 10   9.32   1.53   5.42 
1959 11   4.53  -3.43   0.55 
1959 12   0.95  -5.47  -2.26 
1960 01  -5.62 -10.14  -7.88 
1960 02  -4.76 -10.59  -7.67 
1960 03   2.30  -3.85   -.77 
1960 04   5.98  -2.14   1.92 
1960 05   9.54   0.84   5.19 
1960 06  19.37   8.83  14.10 
1960 07  26.18  16.70  21.44 
1960 08  20.04   9.84  14.94 
1960 09  18.57  10.08  14.32 
1960 10   9.28   2.01   5.64 
1960 11   0.89  -4.78  -1.94 
1960 12   0.57  -5.93  -2.67 
1961 01 -99.99  -4.54 -99.99 
1961 02   -.68  -6.20  -3.43 
1961 03   0.56  -5.52  -2.48 
1961 04   4.39  -2.93   0.72 
1961 05  11.85   2.09   6.97 
1961 06  21.36  11.79  16.57 
1961 07  24.49  14.26  19.37 
1961 08  24.99  15.05  20.02 
1961 09  12.00   3.15   7.57 
1961 10   8.08   0.35   4.21 
1961 11   0.51  -5.59  -2.54 
1961 12  -4.39  -9.32  -6.85 
1962 01  -3.19 -10.47  -6.83 
1962 02  -2.41  -8.18  -5.29 
1962 03  -1.52  -7.85  -4.68 
1962 04   8.16   0.11   4.13 
1962 05   8.93   0.62   4.77 
1962 06  16.95   7.12  12.03 
1962 07  20.90  11.47  16.18 
1962 08  20.80  10.43  15.61 
1962 09  17.90   8.66  13.28 
1962 10  10.63   3.48   7.05 
1962 11   3.19  -3.15   0.01 
1962 12   1.93  -4.25  -1.16 
1963 01  -4.35 -11.71  -8.03 
1963 02   3.31  -3.52   -.10 
1963 03   1.04  -7.13  -3.04 
1963 04   2.28  -5.40  -1.56 
1963 05  12.08   3.81   7.94 
1963 06  12.90   3.64   8.26 
1963 07  20.82  10.99  15.90 
1963 08  23.15  13.60  18.37 
1963 09  19.25   9.79  14.52 
1963 10  11.95   4.16   8.05 
1963 11   2.14  -3.73   -.79 
1963 12   0.43  -6.36  -2.96 
1964 01  -3.62 -10.31  -6.96 
1964 02  -2.22  -9.70  -5.96 
1964 04   4.71  -4.33   0.19 
1964 05  11.07   0.55   5.81 
1964 06  13.89   4.98   9.44 
1964 07  23.53  12.33  17.93 
1964 08  20.99   9.10  15.04 
1964 09  15.19   5.96  10.57 
1964 10  12.90   3.43   8.16 
1964 11 -99.99  -5.58 -99.99 
1965 01  -0.04  -7.36  -3.70 
1965 02   0.02  -8.32  -4.14 
1965 03   0.54  -9.04  -4.25 
1965 04   6.10  -1.80   2.15 
1965 06  16.09   5.91  11.00 
1965 07  22.40  11.77  17.08 
1965 08  19.58   9.82  14.70 
1965 10  14.98   5.69  10.33 
1965 11   4.14   -.66   1.73 
1965 12   -.54  -6.37  -3.45 
1966 01  -2.08  -9.33  -5.70 
1966 02  -3.02  -9.67  -6.34 
1966 03   3.48  -5.56  -1.04 
1966 05  16.15   5.14  10.64 
1966 06  16.67   6.38  11.52 
1966 07  23.62  13.15  18.38 
1966 08  22.95  11.98  17.46 
1966 09  20.10   9.63  14.86 
1966 10  10.26   1.53   5.89 
1966 11   4.54  -2.38   1.07 
1967 01  -2.28 -99.99 -99.99 
1967 02   0.35  -7.47  -3.56 
1967 04   1.04  -6.23  -2.59 
1967 05  12.28   3.47   7.87 
1967 06  16.96   7.12  12.04 
1967 07  24.42  14.25  19.33 
1967 08  26.26  15.84  21.05 
1967 09  20.56  10.62  15.59 
1967 10   9.89   0.31   5.10 
1967 12  -3.00  -9.72  -6.36 
1968 03   3.65  -3.31   0.17 
1968 04   4.71  -5.00   -.14 
1968 05  10.63   1.11   5.87 
1968 07  24.65  14.14  19.39 
1968 09  16.32   5.81  11.06 
1968 10   9.30   0.49   4.89 
1968 11   0.63  -5.52  -2.44 
1969 02  -3.52 -11.09  -7.30 
1969 04   7.39  -2.76   2.31 
1969 05  14.81   4.67   9.74 
1969 06  16.79   7.05  11.92 
1969 07  22.83  13.00  17.91 
1969 08  24.57  13.39  18.98 
1969 09  19.08   8.72  13.90 
1969 10   7.09  -2.60   2.24 
1969 12   1.15  -5.90  -2.37 
1970 01  -2.74  -8.59  -5.66 
1970 02   2.84  -4.92  -1.04 
1970 03   -.54  -8.28  -4.41 
1970 04   1.27  -7.27  -3.00 
1970 05  11.41   1.83   6.62 
1970 06  17.81   8.84  13.32 
1970 07  23.07  13.03  18.04 
1970 08  25.19  14.44  19.81 
1970 09  15.18   2.74   8.96 
1970 10   9.63 -99.99 -99.99 
1970 11   2.78  -5.46  -1.34 
